... still getting his sea legs beneath him.

[MEHRANQ]

What "him" refer to in this Context?

Source: Dishonored
Arthur: Arkane Studio

 

[jutfrank]

It refers to the inexperienced person—the son as opposed to the father, the greenhorn as opposed to the old man salt, the one who is still finding his sea legs.

 

[teechar]

What does "him" refer to in this context?

 

[Rover_KE]

As jutfrank implied, 'beneath him' is totally redundant.