beadsman

noun4

1. •
   A man employed in praying; especially one who prays for another.

   • Good Lord Cromwell, stand my friend: exert yourself for Thomas Howard, who is your daily beadsman, your debtor for life. — 2020
2. •
   (historical) A poor man, supported in a beadhouse, and required to pray for the soul of its founder; an almsman.

   • Whereby ye shall bind me to be […]your poor beadsman for ever unto Almighty God. — 1655
3. •
   (Scotland, historical) A public almsman; one who received alms from the king, and was expected in return to pray for the royal welfare and that of the state; a licensed beggar.
4. •
   (historical) A petitioner; someone who seeks some type of favour from another, usually from a superior.