Those people, leaders of English Society, offering ideas (6)
I believe the answer is:
themes
'ideas' is the definition.
(theme is a kind of idea)
'those people leaders of english society' is the wordplay.
'those people' becomes 'them' (I've seen this before).
'leaders of' says to take the initial letters.
The first letters of 'english society' is 'es'.
'them'+'es'='THEMES'
'offering' acts as a link.
(Other definitions for themes that I've seen before include "'Subjects, topics (6)'" , "Subjects or repeated melodies" , "Subjects or unifying ideas" , "items proposed for discussion" , "Motifs, subjects" .)