誰にも【だれにも】
to anyone, to everyone, by anyone, by everyone, in everyone, in anyone
誰か【だれか】
someone, somebody
誰でも【だれでも】
anyone, anybody, everyone, everybody, whoever
誰にでも【だれにでも】
anyone, anybody, everyone, whoever
誰だって【だれだって】
anyone, anybody, everyone, everybody, whoever