Seeker of eternal life St Michael converted (9)

I believe the answer is:

alchemist

I'm a little stuck... Click here to teach me more about this clue!

'seeker of eternal life' is the definition.
The definition and answer can be both people as well as being singular nouns.
Maybe there's a link between them I don't understand?

'st michael converted' is the wordplay.
'converted' indicates anagramming the letters.
'st'+'michael'='stmichael'
'stmichael' with letters rearranged gives 'ALCHEMIST'.

Can you help me to learn more?

(Other definitions for alchemist that I've seen before include "His hope to discover elixir of life" , "One seeking to produce gold, elixirs etc" , "he sought a panacea" , "St Michael (anag)" , "Medieval experimenter" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.

Connecting...