One is greater? Loved one or one who loved us. I love someone but he doesn’t and someone loves me but i don’t !

Love is about reciprocation. One, who doesn’t love you will not be able to reciprocate and you don’t love to other guy so you won’t be able to reciprocate. Therefore, any of these options will not work.
Theoretically, of course, one who loves you is important than other one.