Seeking to work hand in hand with native Arabic speakers for proper human translation (editing of instinctive generated content)

Hi my company wants to shoot a film on how my company started and got to it's current position so we are collaborating with Hollywood and we want to refine our film so we need Arabians for a long term work, the freelancer will be translating our script for the movie for each different episodes my company is on from English language to Arabic dialect. Note the freelancer must be multi lingual and fluent with written words and can also stimulate our actors and actresses impression for the film by good translation Thanks.