whoever是連接代詞還是連接副詞

是代詞，意思是：（用於指身份不確定的某個或某類人，可作從句主語或賓語）無論誰，任何人.

例句:

Whoever wins this year is going to be famous for life.(今年無論誰獲勝都將名留青史。)

Whoever was responsible for this crime is a dangerous man.(製造這起罪案的人，無論是誰，都是一位危險人物。)

We should be free to negotiate with whoever we want.(無論想與誰談判，我們都應該有與之談判的自由。)