You shouldn't burden others with your responsibilities.
Rodger is at work and has a lot of projects piling up.
Rodger wants to make sure the projects get done.
Rodger works overtime to make sure he finishes all the projects that have piled up.
Rodger calls in some favors with other coworkers and requests that they do the projects for him.
Rodgers coworkers benefit from the projects being completed because it means everybody is pulling their weight.
While the coworkers do the favors, they also have resentment towards Rodger for heaping the projects on to them like this.