Some people think that their work is not important.
this is an attitude of avoidance that must be redirected.

Some people feel they are too important to do the work.
this is an attitude of arrogance, and this must be corrected.

Some people feel like they have more important work to do.
this is an attitude of ambition, and this must be tamed.

Some people feel like they know better regarding what work is essential.
this is an attitude of authority, and this must be managed.

ask each person on the team to list the most important aspect of their job or their performance.
“Great works are performed not by strength but by perseverance.”

Reference - Medium - Getting Good Employees To Produce Great Work