Topic: Substitution, Expression, & Definition,

Best Answer Explained in Below-:

The term "expatriate" specifically refers to a person who resides outside their native country, often for work, education, or personal reasons. In this context, a Bangladeshi individual living in Canada qualifies as an expatriate because they have moved from Bangladesh to Canada while maintaining their nationality. This distinguishes them from "foreigner" and "alien," which are broader terms that can refer to any non-citizen living in a country, without the nuances of nationality or voluntary departure.

Furthermore, "patriot" describes someone who demonstrates love and loyalty to their country, which does not apply to the scenario since the individual is living abroad. Although "alien" may carry a legal connotation in some jurisdictions, it lacks the personal and cultural implications associated with the term expatriate. Thus, "expatriate" is the most accurate term for a Bangladeshi living in Canada, as it highlights their status as a national residing outside their home country, embodying the complexities of identity in a globalized world.