The Difference Between a Bhikku and a Sangha

The term "Sangha" means "common" or "undifferentiated."The person  who has attained super mundane  status irrespective of being a lay  person or a priest is therefore   can be described as "sangha".In super mundane status one does not recoginise "me" or "world".The Pali stanza "supatipanno bhagawatho" refers to Buddhas followers lay or priests who have attained super mundane status. The other monks in yellow robes "are mere "Bhikkus" Thus everybody in yellow robes are not "sangha" On thre other hand there can be lay people who can be referred to as "sangha"