opportunist

US /ˌɑː.pɚˈtuː.nɪst/
UK /ˌɑː.pɚˈtuː.nɪst/
1.

người cơ hội

someone who tries to get power or an advantage in every situation:

:
He was portrayed as a ruthless opportunist who exploited the publicity at every opportunity.
1.

người cơ hội

using a situation to get power or an advantage:

:
The burglary was probably carried out by an opportunist thief who noticed the door was open.