Which word is capitalized incorrectly?

the new pastor is father riley.

a father

b riley

c the

d pastor

B Riley is correctly capitalized, father doesn't need to be capital and since Riley is a name is should be capital:)

Father is capitalised incorrectly.
In the context of religion and the church, the term 'Father' is often cited as a rank or position that is possessive to the possessor, in this case Riley. Since it is possessive, then 'Father' should be capitalised.