solicit, entice, procure busin.

[Vit.Stan]

The client undertakes not at any time without the prior written consent of Contractor during the performance of the Agreed Work and for a period of six months thereafter to directly or indirectly ***solicit, entice, procure** or employ any person who during the performance of the Agreed Work was an employee of Contractor and who had material contact or involvement with the Agreed Work.

Как бы вы это перевели?

[Гласность/Glasnost]

вариант:
обращаться с предложениями о найме, переманивать, склонять к переходу