First of all, I would like to tell you to keep patient.
You are telling that you have created a fully optimized gig. But unfortunately, your gig is not presenting what you are telling. You have created the gig with a very long description. You should create more accurate gig with a clear description.
Another thing is that the video you used is not looking very professional. You should create the video from a bright place. Maybe you can use light or try to create the where you could get sunshine.
Use a better profile picture.
You have created only one gig in your account. Please try to create more gigs based on your skills. It will help you to get order asap. I will suggest you to create minimum 5 gigs. But don’t create the same gig 5 times with similar title. Because It’s against of Fiverr TOS.
Lastly, lots of people only want money. You have to keep remember that If you are not a skillful person then you will automatically eliminate from this sector. So, keep loving working and stay hungry to gain more and more knowledge.
I hope my advice will help you to build a success carrier on Fiverr
Wishing you a great success for the future!