Animal help groups often hire volunteers to work at shelters, walk dogs, participate in fundraisers and also foster dogs and cats (something you can do even if you are in Taiwan for a short time). Contact Taiwan SPCA (台灣防止虐待動物協會; www.spca.org.tw).
You can also volunteer at an organic farm through WWOOF (www.wwooftaiwan.com).
To work legally in Taiwan you generally need to enter on a visitor visa, have your company apply for a work permit, apply for a resident visa after you receive your work permit, and apply for an ARC after receiving your resident visa.
Visitor visas are issued at any overseas Taiwan trade office or foreign mission, although it will be easier to apply in your home country since you often need to provide notified documentation.
Once in Taiwan, you apply for a resident visa from the Bureau of Consular Affairs (www.boca.gov.tw). The ARC is issued by the National Immigration Agency (www.immigration.gov.tw). For short-term employment rules see the BOCA website or visit your local Taiwan trade office or overseas mission.
Teaching English is not what it once was and there are fewer openings. Salaries have not risen in 15 years. The most popular website for teaching and tutoring jobs are TEALIT and Dave's ESL Cafe (www.eslcafe.com). Note that it's illegal to teach English at kindergartens.
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