What are the various ways I can raise capital for my business?

To compliment Chidi Nwaogu
The following are complimentary way you can raise capital for my business
Personal Savings
Partnership
Asset sale
Cooperative
Rotating Credit and Savings Association (ROSCA)

Thanks for this answer. The list is very helpful.

Thanks,  it’s realistic and practicable 

Nice points raised by Chidi Nwaogu and Emmanuel Falade. Just to add a few points, you can raise capital for your business through;
1. Product Pre-sales
2. Contests
3. Purchase Order Financing
4. Government Support
Also, you can read this article on The15 Best Crowdfunding Sites to Launch your Business or Product: https://blog.hubspot.com/sales/crowdfunding-sites

Here is a list of African investors, their contacts, investment portfolio, and exits so far: https://docs.google.com/spreadsheets/d/12yIKcL8VaJN4YrsiD3zIOAVgReUtSadIQoXY7EQfmHA/edit?usp=sharing

You should find it useful.