home; family; (polite) my (sister, uncle etc.); classifier for families or businesses; refers to the philosophical schools of pre-Han China; noun suffix for a specialist in some activity, such as a musician or revolutionary, corresponding to English -ist, -er, -ary or -ian
to be at home; (at a workplace) to be in (as opposed to being away on official business 出差); (Buddhism etc.) to remain a layman (as opposed to becoming a monk or a nun 出家)