French language Q&A Forum

I have seen that the verb « apprendre » can mean both to learn and to teach in French. And I also know that « enseigner » can sometimes mean to teach (but in a narrower sense, and it can never mean to learn). My question is : Can one say in this exercise «  je lui ENSEIGNERAI à être indépendante et forte » or is this just a wrong usage of this verb? 

The example verbs in the lesson (se lever) and most of the ones presented in the tests (se coucher, se laver, se réveiller) all follow the same pattern-- in that the action is done on/to the subject or the subject own body.  However, with the verb se moquer the action is done to someone else and requires the use of "de".    

It's unclear why one wouldn't say  "Ils me moquent" instead of "Ils se moque de moi".  Can some explain this a bit?

I already tried submitting this question via the quiz: In a multiple-choice question I was supposed to fill in the answer for Elle est ________ aux jeux de la toupie dans notre groupe, or some such similar question. I got it wrong by selection le meilleur over la meilleur(e) It is not made clear in the the lesson on meilleur vs. mieux why the quiz answer should be la meilleur and not le meilleur. ... After all there may be males in the group considered in the for who is the best at the game."