1. analysis (because when you analyze you study)
2. hobbled
You can use:
I am very fluent in French and Spanish.
Hard to understand what you are trying to say? Is it a music video?
The lead? Ok I’ll just guess. The “lead” is the one who takes the photos cause they have to get the right poses from the posers/models and usually know what poses are good for whatever they are using those photos for.