I mean show him what a normal member of the Church is like.
The alien in the box was breathing, but fifty times more slowly than any normal member.
She is one of the "normal" members of the family.
"They want to be normal members of society, not strange members."
So he was certainly no longer a normal member of his kind.
This makes him one of the group's most normal and well-adjusted members.
"They all seemed to be entirely normal members of their families."
Until then, they would have had very little choice but to act like normal members of a secular community.
He tries to start a new life, but fails to fit in as a normal member of society.
Natalie, who seems the 'normal' member of the family, is the character around which the show centres.