Designate
/ˈdɛzɪɡ.neɪt/
verb
To mark out and make known; to point out; to indicate; to show; to distinguish by marks or description
“to designate the boundaries of a country”
To call by a distinctive title; to name.
To indicate or set apart for a purpose or duty; — with to or for; to designate an officer for or to the command of a post or station.
Synonyms: denominate, entitle, name, style, denote, describe, indicate, note
adjective
Designated; appointed; chosen.
Used after a role title to indicate that the person has been selected but has yet to take up the role.