Growing a YouTube channel takes some effort. You definitely need a good catchy content. Here are few things you could try
1. Have a cover photo which captures audience interest.
2. Create content on latest topics . Usually people search for latest topics which give more option to find your video
3. Make sure you use SEO properly . Your title, description should also contain the key words which relate to your video
4. Do put subtitles . Most of the times people scroll though on mute. Sub titles help you grab attention
5. Reach out to friends and family and shamelessly market ur channel
6. Use competitor info to divert traffic to your channel. Eg: if you run a CRM content and your competitor is well known. Your title could say “Simpler content than <competitor name> “ google search only goes by key words
7. Paid ads is last option which could take a lot of your money, use the option wisely.