Rent is a command that is used in inns. This requests the innkeeper to store your equipment while your character logs out. It costs a set amount of money to rent, which depends on a variety of factors including the items in your possession, length of time renting, and your rent allowance.
In Game Description
Syntax: rent Rent accepts an offer at an inn, which will store your equipment until you return again. Note that this costs a small amount each day for the room itself.