Final answer:
Covert resistance is the type of resistance that is more subtle and difficult to recognize, involving indirect behaviors like spreading rumors or withholding information, unlike more direct forms such as open or overt resistance.
Step-by-step explanation:
Resistance refers to the act of challenging power and domination. Among the types of resistance, the one that is more subtle and difficult for a supervisor to recognize is 2) Covert resistance. This form of resistance includes quiet, indirect behaviors such as foot-dragging, spreading rumors, or withholding information, contrasted with other types like Open resistance, Overt resistance, and Passive resistance which are typically more visible or straightforward. For example, in the context of Palestine, Palestinians may use covert actions to resist power and express their opposition to systems of domination and oppression without engaging directly or openly confronting those in power.