Word Study
whoever
CIDE DICTIONARY
whoever, pron.
Whatever person; any person who; be or she who; any one who; as, he shall be punished, whoever he may be. Shak. [1913 Webster]
OXFORD DICTIONARY
whoever, pron. (obj. whomever or colloq. whoever; poss. whosever)
1 the or any person or persons who (whoever comes is welcome).
2 though anyone (whoever else objects, I do not; whosever it is, I want it).
3 colloq. (as an intensive) who ever; who at all (whoever heard of such a thing?).
1 the or any person or persons who (whoever comes is welcome).
2 though anyone (whoever else objects, I do not; whosever it is, I want it).
3 colloq. (as an intensive) who ever; who at all (whoever heard of such a thing?).
For further exploring for "whoever" in Webster Dictionary Online