A person who musters (rounds up) livestock.

plural of mustering

simple past tense and past participle of muster in

(intransitive) To join the armed forces; to enlist.

present participle of muster in

Third-person singular simple present indicative form of muster in

(Australia) A muster of cattle, for counting and any of various other purposes, during which any animals not previously counted are bangtailed, treated and released.

(idiomatic) To meet or exceed a particular standard. / (idiomatic) To adequately pass a formal or informal inspection.

plural of bangtail muster

(quite rare) Alternative form of cut the mustard