YOU SAID:
I’m doing this instead of my family
INTO JAPANESE
私は家族の代わりにこれをやっている
BACK INTO ENGLISH
I am doing this on behalf of my family
INTO JAPANESE
私は家族のためにこれをやっている
BACK INTO ENGLISH
I am doing this for my family
INTO JAPANESE
私は家族のためにこれをやっている
BACK INTO ENGLISH
I am doing this for my family
You've done this before, haven't you.