substituteleader
nounUK /ˈsʌbstɪtjuːt ˈliːdə/
US /ˈsʌbstɪtuːt ˈliːdər/
A substitute leader is a person who takes charge when the usual leader is not there.
When the coach was sick, the assistant coach became the substitute leader for the team.
RELATED WORDS
OTHER MEANINGS
2. Someone who leads a group only for a short time until a permanent leader is chosen.
The substitute leader ran the meeting until the new manager arrived.
3. A person who steps in to guide a project when the main person is away.
As substitute leader, she kept the project on schedule during his vacation.
4. A player who leads a team in place of the regular captain.
The substitute leader wore the captain's armband for the second half.