I can offer assessment for free for first interview to understand the current level, then from their I'll explain how we can move forward to improve reading, writing, speaking and listening skills.
Relevant Skills and Experience
I read an Arabic book and writing at least one article in weekly basis. knowing the grammar and details we should pay attention to, and usual errors not natives may do.
Proposed Milestones
$35 USD - Writing about subject and assessment with useful advices and mentoring
$35 USD - Reading a topic and answer some questions
$20 USD - Speaking by going through many topics and how to improve the skills
$20 USD - Listening and answering from multiple choice or filling the blank.
What is the main target for you to learn Arabic?