Undoubtedly, he was happy in his household.
He used to act arrogantly among his people
Once, he lived joyfully among his famil
Surely he was (erstwhile) joyful among his people
That he truly was in his family/people delighted/happy
Such a person was the most happy among his buddies (who were like him.
Indeed he used to rejoice in his home
Verily, before this he used to pass his time joyfully among his people
Surely, he lived joyfully with his family (in the world)
Verily, (before this) he used to be joyful among his companions (and neglected the Hereafter)
Verily, he was among his people in joy