Recluse from Eire met wacko (7)
I believe the answer is:
eremite
'recluse' is the definition.
(thesaurus)
'eire met wacko' is the wordplay.
'wacko' indicates an anagram.
'eire'+'met'='eiremet'
'eiremet' with letters rearranged gives 'EREMITE'.
'from' is the link.
(Other definitions for eremite that I've seen before include "Christian living in severe circumstances" , "ascetic" , "desert father" , "Christian hermit or recluse" , "Solitary" .)