Omagosh i think i have a stalker?

some guy like ten yrs older than me came to my work the other day (never seen him in my life btw) and keeps askin fer my number i wouldnt give it to him and he came back the next night and asks again and i told him no he came back the NEXT NIGHT too i swear and i just ignored him, well that night goin home some car was like followin me and i sped up and it sped up too and i finally lost it. . i think it was the guy. . i'm kinda freaked out idk wat to do!!