Portioner
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In old English law
A minister who serves a benefice, together with others; so called because he has only a portion of the tithes or profits of the llving; also an allowance which a vicar commonly has out of a rectory or impropriation.
Cowell.
In Scotch law
The proprietor of a small feu or portion of land.
Bell.