having the force of a decree; pertaining to a decree.

What is the meaning of Decretive?

: having the force of a decree : decretory.

What do you call a man with no home?

Vagrant, vagabond describe an idle, disreputable person who lacks a fixed abode. Vagrant suggests a tramp, a person with no settled abode or livelihood, an idle and disorderly person: picked up by police as a vagrant.