French phrase
Le remplaçant est ~.
Meaning
The substitute is ___.
When to use it
Identifies the person filling in for someone else. It is a concise, somewhat formal expression used in work or meeting communications.
Example dialogue
Le remplaçant est M. Dupont.
The substitute is Mr. Dupont.
Très bien, je le préviens.
Very well, I'll let him know.