shamash

noun2

1. •
   (Judaism) The candle used to light the other eight candles of a Hanukkah menorah or hanukkiah.

   • The candelabras lit on Hanukkah are technically called hanukkiahs. They have eight candles plus one more, a shamash, that is used for lighting the others. — 2023
2. •
   A sexton in a synagogue.

   • Until 1890, when the local Chevra Kadisha (a traditional Jewish funerary society) was set up, funeral services were performed by the shamashim, the beadles of the synagogues. — 1997