Assisting with a New Multi-Media Platform (Blog Publishing, Social Media, Outreach, Proofreading, Backlinks, Etc.)

We have a multi-media platform and looking for someone to help with the functions below.

Above all, the individual must have mastery of the English language, Basic Wordpress experience, Social Media Marketing Experience, and Design Capabilities.

1) Upload and post pre-written articles/interview to our Wordpress Site (Running Divi Theme). This is the main thing in the beginning as we have a backlog of about 60 articles/interviews to upload.
2) Manage our social media channels with daily postings on FB, IG, TW.
3) Create graphics for Instagram posts (very basic design requirements to create quote cards).
4) Research content marketing opportunities and suggest content marketing ideas.
5) Research and contact people to guest contribute to our website and magazine.
6) Proofread article submissions from contributors and format with pre-determined preferences.
7) Contact specific organizations and associations to offer free subscriptions of our primary product (this is essentially just finding organizations and emailing them or submitting a web form request). Then helping them get access to our free subscription codes (we will provide).
8) Research trade magazines in our niche and identify potential companies for our platform to contact. Then contact those companies with a pre-written document.
9) Help to promote our content in various places to build exposure and backlinks.
10) Help with email marketing to our list.
11) Help with paid digital marketing if you have the skillset.