If you boil it down, it sounds like he will provide the service but wants to be paid. On Tuesdays and Wednesdays my wife goes to the food bank, loads up her truck and distributions food to a number of families.
She doesn't ask to be paid. At the food bank they are all volunteers. Most of the food comes from Publix, Costco, Walmart and a few others. No one is getting paid. They do it because they want to.
Many years ago I got involved in a homeless feeding program. After a while I came to discover the money we were donating, I was giving $400.00 a month, was mostly being pocketed by the Priest who was running it. Food he said was being bought was actually donated.
Here's the thing, was he feeding people, yes. But he was also inriching himself.
One on one charity is a good way to help people. You can't help everyone but can make a small difference in the lives of a few. As far as the tattoo thing. It seems like the cost of a 2 inch cover up tattoo is not really that expensive.
Where is the money going that would be donated? It seems to the tattoo artist for his services. That's not charity, it's a revenue stream.