'Those who…', 'the one that…' — derjenige in every case, with its relative clause.
Type the missing word. derjenige declines like der + a weak adjective: denjenigen, derjenigen, desjenigen. The gender shown is the person or thing meant.
The form of derjenige depends on its job in the main clause; the relative pronoun on its job in its own clause.
'Those who…': diejenigen (Nom, Akk), denjenigen (Dat), derjenigen (Gen).