The Collaborative International Dictionary
Purposer
Purposer \Pur"pos*er\, n.
One who brings forward or proposes anything; a proposer.
One who forms a purpose; one who intends.
Wiktionary
purposer
n. Someone who purposes something.
Usage examples of "purposer".
When we find that purpose, we have found God, because in all religions at all times, regardless of the outward descriptions of God or gods, deity serves the same role: He (or she or they) is the purposer, the planner.
And, when the plan seemed thwarted by an unplanned-for intruder, the mutant Mule, we find that there is a Second Foundation, which continues to fill Seldon's role, ongoing purposers and planners guiding the destiny of humankind.