a reputable person (can be a big time businessman or a person with high ranking/position); someone with a lot of power or authority; an individual who is very capable
Definitions (粵典–words.hk)
名詞
喺某啲方面好犀利、猛料，令人尊敬佢嘅人物。 A person very skilled in a certain area and respected for it.
阿明佢係打拳界嘅猛人嚟㗎。
阿明佢系打拳界嘅猛人嚟㗎。
A-ming is a respected figure in the world of boxing.
Examples (粵典–words.hk)
Cantonese
猛人
猛人
maang5 jan4
powerful person
Cantonese
阿明佢系打拳界嘅猛人嚟㗎。
阿明佢係打拳界嘅猛人嚟㗎。
A-ming is a respected figure in the world of boxing.