Yes, he is and no, he's not.
Cloud is a happy-overhyped boy with a big sword made from plastic and he consider Sephiroth as his father.
Cloud is a nice, cute and lovable boy from North Poles. HE arise in front of party members, "Sephiroth is my idol!!". When he becomes a badass and was infected by illusionary crime from Sephiroth, "I want to defeat Sephiroth! I want to!"
Cloud's ranking in leadership rank:
Worst AFTER Tidus.
Seriously, Zidane and Cecil is way and away better than Cloud.
So 50-50?