obstructer

Example:During the project planning phase, John turned out to be a constructive obstructer, suggesting improvements that ultimately benefited everyone.

Definition:Someone who hinders or prevents progress through deliberate obstruction, but with the intention of offering solutions.

Example:At the team meetings, Sarah would often be an obstructive person, always finding reasons to delay decisions.

Definition:A person who often hinders or prevents others from accomplishing tasks or goals.

Example:The collision on the highway left a traffic obstructer that caused a significant backup, disrupting the flow of commuters.

Definition:Something that blocks or prevents the free flow of traffic, such as construction or a stalled vehicle.