The CRA website says the following:
You cannot claim the CAI payment if at any time in 2018 you were any of the following:
- an officer or servant of the government of another country, such as a diplomat, or you were a family member who lived with such a person or an employee of such a person
From what you described, you are not eligible.
You can read more here:
https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/tax-re...
