He perhaps is in Tangiers working (5,3)
I believe the answer is:
inert gas
'he perhaps' is the definition.
(helium - symbol 'He' - is an example)
'tangiers working' is the wordplay.
'working' is an anagram indicator.
'tangiers' anagrammed gives 'INERT GAS'.
'is in' is the link.
(Other definitions for inert gas that I've seen before include "Eg, krypton or argon" , "One expects no reaction from such" , "Passive element in the helium group" , "Eg, helium or argon" , "one at the edge of a table" .)