People all ages, hailing from different nationalities, religions, cultures and backrounds. Uniting the group as an ideal fraternity amongst people.
There is more than one conjunction in the sentence, the word but acts as a coordinating conjunction. Also the words not only and but also act as a correlative conjunction.
Answer:
Listen, pay attention, hear, attend, acknowledge
, concentrate on hearing
,
give ear to
, lend an ear to
, hang on someone's words, concentrate on, be attentive, harken, hark, to hear something with thoughtful attention.