pomocník znamená v angličtina

assistant [assistants]▼(person who assists)
noun
[UK: ə.ˈsɪ.stənt] [US: ə.ˈsɪ.stənt]

help [helps]▼(person or persons who provides assistance with some task)
noun
[UK: help] [US: ˈhelp]

helper [helpers]▼(one who helps)
noun
[UK: ˈhel.pə(r)] [US: ˈhel.pər]