underminer

the constant criticism felt like an underminer of his confidence.

he was seen as an underminer of the project's success.

the internal underminer worked to sabotage the merger deal.

she identified the underminer within the team and confronted them.

his actions proved to be a significant underminer of the company's reputation.

the underminer sought to destabilize the government from within.

we needed to identify and neutralize the underminer quickly.

the underminer's motives remained unclear despite the investigation.

he was a subtle underminer, working behind the scenes.

the underminer's strategy was to sow discord among the staff.

the investigation revealed a network of underminers within the organization.