OXFORD DICTIONARY
They, pron. (obj. them; poss. their, theirs)
1 the people, animals, or things previously named or in question (pl. of HE, SHE, IT(1)).
2 people in general (they say we are wrong).
3 those in authority (they have raised the fees).
4 disp. as a third person sing. indefinite pronoun meaning 'he or she' (anyone can come if they want to).
ME thei, obj. theim, f. ON their nom. pl. masc., theim dat. pl. of s{aacute} THE that
THESAURUS
They
I, I myself, alter, alter ego, alterum, better self, bureaucracy, directorate, ego, ethical self, he, her, herself, hierarchy, higher echelons, higher-ups, him, himself, inner man, inner self, it, management, me, ministry, my humble self, myself, number one, officialdom, oneself, other self, ourselves, prelacy, ruling class, ruling classes, self, she, subconscious self, subliminal self, superego, the Establishment, the administration, the authorities, the ingroup, the interests, the people upstairs, the power elite, the power structure, the top, them, themselves, top brass, you, yours truly, yourself, yourselves