Definitions
Insist on the Biblical usage of commonly used ‘Christian’ terms, including their all too common mis-use by those who want to make it sound like they believe like you do. 

“Please explain what you mean”, is an excellent question to them.

Legalism
Judging – ‘Discern’ or ‘condemn’
Obedience
Pharisee-ism
Ministering
Grace
Love
Forgiveness
Truth
Equality
Christian freedom
‘rich’, prosperity
pre-destined
unforgivable sin
“children”
“Doctrine”