Keep posting on LinkedIn, with people in the same boat.
Practical guides on accountability partners, accountability groups and a posting cadence you can keep when your audience is still small. Written by Junaid Khalid from his own LinkedIn experiments.

Accountability
Accountability partners: how to find one, and why a small group keeps you posting
What the research measured, how to find a partner, a weekly check-in script, and the version built for posting consistently.

Accountability
Accountability groups: how they work, and how to run one that lasts
The format, the size, a 30-minute agenda and the questions that keep a group going past the first month.

Apps vs peers
Accountability partner apps: six options compared, and when people beat software
Focusmate, Flow Club, GoalsWon, Beeminder, Forfeit and stickK compared, the best free option, and when peers beat software.

Posting cadence
How often should you post on LinkedIn? A pace you can keep with a small audience
Buffer's 2M-post study, the 4-1-1 and 95-5 rules, and a two-post starter week built for small accounts.