The Bishop of Swansea and Brecon is to run a shoe-shine service at Swansea market for Maundy Thursday.
The Thursday before Easter is acknowledged by Christians as the day of the Last Supper, when Jesus washed the feet of his disciples.
The free service is from 1200-1400 BST, but the Right Reverend Rev John Davies hopes for donations to his Lent Appeal.
His good causes are three charities nominated by clerics as they have connections with the diocese.
Bishop Davies said: “On Maundy Thursday the Christian church remembers how Jesus washed his disciple’s foot – which was a dirty, stinking job usually done by the lowest servant.”
He said he hoped through this “modern day act of service”, people may feel “moved to go to their local church” on Easter Sunday.
Swansea lord mayor Richard Lewis is also taking part, cleaning the bishop’s shoes after his own have had the same treatment.
Bishop Davies offered the same service last year.
“This has become a special feature of the build-up to Easter in the city centre,” he said.
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