How do you say incompetant in french

In this french correct ? i dont know if the person i am talking to is a female or male im assuming that wouldn't affect it but i kind of forget . i know all adjectives agree with the nouns that they modify. métier is masculine so i use the adjective bon and bon is masculine so i use un? is that how it works je pense un bon métier pour toi est un artiste ou un architecte. i think a good job for you is an artist or an architect

Late editis this french setence grammatcally correct? "vous aimez dessiner, prendre des photos, jouer aux jeux vidéo et les animaux. alors, je pense un bon métier pour toi est un jeu vidéo designer." en anglais: you like to draw, take photos, play video games and animals. so, i think a good job for you is a video game designer. question: in the phrase "jouer aux jeux vidéo" should i add an -s to vidéo? why dont i have to conjugate dessiner again? consciously i thought it wasnt supposed to be conjugated but why? no translators, .

Is this grammatically correct? est-ce qu'ill regarde la televisiona. correctb. incorrect