'Reward' in the Bible

and he who is planting and he who is watering are one, and each his own reward shall receive, according to his own labour,

for if willing I do this, I have a reward; and if unwillingly -- with a stewardship I have been entrusted!

What, then, is my reward? -- that proclaiming good news, without charge I shall make the good news of the Christ, not to abuse my authority in the good news;