hüˈevə(r) pronoun
Etymology: Middle English who ever, from who (I) + ever
1. : whatever person : any person at all that : no matter who — used in any grammatical relation except that of a possessive
sells … eggs to whoever has the money to buy — J.R.Chamberlain
whoever he picks has to have the stature of a collaborator, not a subordinate — Time
whoever she weds, she never descends below the rank to which she was born — Agnes M. Miall
he is a good man himself, whoever his friends are
that is not true, whoever you heard it from
2. : who I 1 — used in questions expressing astonishment or perplexity
whoever can that be