Selflessly hoist anchor (4)
I believe the answer is:
This clue might be a double definition.
'selflessly hoist' is the first definition.
Although both the answer and definition are singular nouns, I cannot understand how they can define each other.
'anchor' is the second definition.
The definition and answer can be both people as well as being singular nouns.
Perhaps they are linked in a way I don't understand?
Can you help me to learn more?
(Other definitions for host that I've seen before include "One entertains guests" , "Compere; multitude" , "Present" , "large group of people" , "Large crowd" .)