TechCo Inc. is a public corporation based in British Columbia, and TechCo's most recent shareholders' meeting has just concluded. At the meeting, a vote was held where Yukiko was elected to the board of directors. As part of her new position, Yukiko now has a special relationship with the corporation. Which of the following best describes Yukiko's legal duty to the corporation since she became a director:

Due Diligence duty

Fiduciary duty

Foreseeable duty

Confidential duty

Duty of Care