Final answer:
The first task for a leader in Kotter's model of change is to establish a sense of urgency for change among stakeholders.
Step-by-step explanation:
In Kotter's model of change, a leader's first task is to convince people that there is an urgent need for change. This step is critical as it helps to create the necessary momentum and motivation amongst stakeholders to support the transformation efforts. Without establishing a sense of urgency, efforts to implement changes may falter as individuals may not feel the need to step out of their comfort zones or alter the current state of affairs.