co-guide
nounUK /ˌkəʊˈɡaɪd/
US /ˌkoʊˈɡaɪd/
A person who helps lead or show the way together with someone else.
The teacher asked Mia to be a co-guide on the museum trip.
OTHER MEANINGS
2. To lead or show the way together with another person.
Two rangers co-guide the forest walk every Saturday.
3. A book or manual that helps you learn something alongside another guide.
This workbook is a co-guide to the main textbook.
4. A person who helps a new student find their way around school.
Older students act as co-guides for the new kids on the first day.