Clue: Activity of oaf, primarily indolent, lazy, no good? (7)
Answer: LOAFING
Explanation: Activity of oaf, primarily indolent, lazy, no good? (7)
Something in the vicinity of an &lit, if you allow 'activity of' to indicate an anagram, of 'oaf' plus ILNG ('primarily **I**ndolent **L**azy **N**o **G**ood')