If he is well connected, nothing will happen. Just need to do a public apology.    On the other hand, he can be sacked. 

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A netizen posted a short video on social media showing that during a study tour at Tuen Mun San Wui Chamber of Commerce Secondary School, Lee Cheuk-hing allegedly got into an argument with two local non-Chinese female security guards over parking issues on a rented tour bus. In the video, he allegedly used foul language to insult them. The Education Bureau stated that it is very concerned about the incident, emphasizing that teachers and principals are role models for students. Upon becoming aware, it immediately contacted the school and the sponsoring body, requesting the school to follow up seriously and provide a detailed written explanation of the incident. The school has activated a crisis management team to follow up seriously.     Suspected dispute with female security guard over renting a tour bus parking, allegedly cursing 'What the hell, your mother. ' A netizen posted on social platform Threads, saying that Lee Cheuk-hing from Tuen Mun Sun Wui Chamber of Commerce Middle School allegedly got into a dispute with two non-Chinese female security guards during a study tour in Singapore over the parking issue of the rented coach. From the video, it can be seen that Lee Cheuk-hing was using foul language to insult the female security guard and ordered her to "shut up." Lee also insulted them in Cantonese, using words suspected to contain female genitalia, saying things like 'Damn it, damn your mom.' A female staff member behind tried to pull Li back and mediate, but failed. Li You said to the other party, "Get out of the way!" Education Bureau: Teachers and principals are role models for students; their words and conduct have a profound impact on students. The Education Bureau expressed great concern over the incident and required the school to follow up seriously and provide a detailed written explanation. The bureau will continue to maintain close contact with schools to provide appropriate advice and support. The Education Bureau stated that teachers and principals are role models for students, and their words, conduct, and values have a profound impact on students. The Education Bureau's published "Guidelines on Teacher Professional Conduct" outlines the standards for professional conduct and conduct, reminding teachers to hold themselves to strict personal standards to protect students' well-being, ensure educational quality, safeguard the educational profession, and build social trust. If a teacher is found to have violated professional conduct, the Education Bureau will review the teacher's registration and take appropriate action based on the nature and severity of the incident.   Tuen Mun Sun Wui Chamber of Commerce secondary school principal suspected of swearing at female security guard from Singapore; Education Bureau demands detailed explanation - Hong Kong Golden Forum

https://i.imgur.com/eG5ZrXq.mp4

Hong Kong’s education authorities have demanded a written report from a secondary school after a video went viral that apparently shows its principal swearing at security guards during a school trip to Singapore. The Education Bureau expressed its concerns over the case on Sunday, saying it had approached San Wui Commercial Society Secondary School in Tuen Mun and its sponsoring body and would remain in close contact to provide advice. “The bureau has demanded that the school seriously follow up on the issue and submit a detailed written account. The school has activated its crisis management team to investigate the matter thoroughly,” a spokeswoman said.   “If a teacher were found to have breached the professional conduct, the bureau would review the teacher’s registration and take appropriate action based on the nature and severity of the incident.”   The footage posted on social media shows a man arguing with two security guards from the doorway of a coach over what appeared to be parking. It was reported that the man is Lee Cheuk-hing, the school’s principal.