Well you can start by Posting photos of unique items that you have in the store. This will help to draw attention to the store and create a sense of curiosity. Also, try to share stories about the store and the people who work there. This will help to create a connection with your followers and make them feel like part of the community.
Run contests and giveaways. This will help to engage your followers and encourage them to share your content with their friends. Use target ads to reach more people or go for a growth service on Instagram. Many people are talking about this agency called Ascend viral. It seems like they are good at getting real followers organically. You need also to interact with your audience, like and comment their posts, answer their messages quickly. Contact other creators and influencers from your country to share your page in their stories. That will help you to reach more clients.