1 Timothy 5:17-19

"Let the elders that rule well be counted worthy of double honour, especially they who labour in the word and doctrine. For the scripture saith, Thou shalt not muzzle the ox that treadeth out the corn. And, The labourer is worthy of his reward. Against an elder receive not an accusation, but before two or three witnesses" - 1 Timothy 5:17-19 KJV