A feeling that you are better or more important than other people, often as a way of hiding your feelings of failure
A feeling of superiority or exaggerated self-importance, often accompanied by excessive aggressiveness, arrogance, etc. which are compensation for feelings of inferiority
Definition of Superiority Complex
Going by the definition, who do you think has superiority Complex in BB house?
You can your interpretation as well
For me it's Eijaj
He doesn't like when people talk back to him and they have to respect him because he is senior, too many instances of his weird facial expressions whenever someone is saying anything against him