It's not exactly the same- I'd use it for a sequence of films or films that were somehow related.
You can use a plural verb. It depends on whether you see the two items as separate or part of the same thing. In your example, the plural sounds better to me.
It means that you manage to achievce what you want and realise your potential.
It's an adjective. There's something missing in the sentence- somewhat...
renders = makes here because it implies a transformation of the person's character
Student or Learner