believer

I am a believer.

私は信者です

I am a devoted believer.

私は真面目な信者です

I am a devoted believer who goes to church.

私は教会に通う真面目な信者です

I am still a devoted believer who goes to church.

私は今まで教会に通う真面目な信者です

I have been a devoted believer who goes to church since I was small.

私は幼い頃から今まで教会に通う真面目な信者です