A director is responsible for the management and stewardship of the Company and is responsible to its shareholders. All companies in British Columbia must have at least one director. British Columbia companies have an advantage over incorporations at the federal level or in other provincial jurisdictions of Canada in that there are no residency requirements for directors. This means that a director may live in Timbuktu and not be offside of the requirements of the Business Corporations Act of BC.
The responsibilities of directors is a complex topic. For an in-depth overview of the responsibilities and obligations of directors, you can read this.