Berean Standard Bible (BSB)
A worker’s appetite works for him because his hunger drives him onward.
World English Bible (WEB)
The appetite of the laboring man labors for him; for his mouth urges him on.
Strong's King James
He{H5315} that laboureth{H6001} laboureth{H5998}{(H8804)} for himself; for his mouth{H6310} craveth{H404}{(H8804)} it of him.
The F.O.G *
A labourer's appetite labours for him, Yes, his mouth urges him on.
The F.O.G Message *
Young's Literal Translation
A labouring man hath laboured for himself, For his mouth hath caused him to bend over it.