See The World, Teach English

Teacher Record offers a free training course to get certified in TEFL 

https://teacherrecord.com/tefl-certificate/1000 

 The aim of 120-Hour TEFL Course is designed to cover every aspect of teaching English from planning your first lesson to applying for your first Job abroad

Sites like https://www.eslcafe.com/ and https://www.tefl.com/ have listings of jobs all over the world that pay you to teach English. Look for the online learning lists. If you enjoy the work, they have placements all over the world, you can explore the planet while still working.