shill

shill /ˈʃɪl/ verb
shills; shilled; shilling
shill
/ˈʃɪl/
verb
shills; shilled; shilling
Britannica Dictionary definition of SHILL
[no object] US, informal + disapproving
: to talk about or describe someone or something in a favorable way because you are being paid to do it — often + for

— shill

noun, plural shills [count]