Terms for subject Informal containing person who

English	Russian
a person who flagpoles	пересечник (4uzhoj)
a person who has no head for science	гуманитарий (в пренебрежительном смысле m_rakova)
a person who is more into humanities	гуманитарий ("I'm more into humanities than science" m_rakova)
awaken tenderness in a person who has lost all feelings	разбудить милоту даже в том, у кого всё умерло (Alex_Odeychuk)
empty-headed person who devotes his time to dancing and self-amusement	полотёр
person who cuts through red tape	толкач
person who has hanged himself	удавленник
person who has offended someone	обидчик
person who is adroit	ходок (with на + acc. or по, with or at)
person who likes to argue	спорщик
person who likes to sing	певун
person who never takes any chances	перестраховщик
person who puts on airs	ломака
person whose anniversary is being celebrated	юбилярка (= юбилярша)
person whose anniversary is being celebrated	юбилярша