Although stress is subjective, stress can be felt when there is a threat of losing things such as money, seniority, and/or a relationship. Within the definition of stress, these are all examples of .

resources

Explanation: These are referred to as "resources" within the definition of stress (which is defined contextually as a reaction to the threat of resource loss). Now a resource such as money, seniority, relationship etc. is defined as something that one uses to achieve an objective, e.g. raw materials or personnel.