As an independent relative with indefinite or generalizing force introducing noun clauses: (a) referring to a person, with clause functioning as direct obj., indirect obj., or obj. of prep. in main clause and with pron. as subj. or direct obj. in its own clause: any who, those who, whoever [3rd quot.]; any whom, whomever [2nd quot.]; also, to whoever [1st quot.]; (b) referring to a person, with clause functioning as an appositive to a pron. used as either the subj. or the direct obj. in main or a subsequent clause, usu. with conditional or concessive force: whoever, whatever sort of person; if anyone; no matter who, no matter what sort of person; (c) referring to a thing or an abstraction, with clause functioning as an appositive to a pron. used as direct obj. in main clause: whatever, anything that; ~…al swich.