This is abusive right or wrong ?

I just met this guy .... I don't know him at all . I work at a family restaurant and I met him there . He suggest I work as a dancer . I told him I would cocktail waitress that's all . I just had a baby and I am not comfortable in my body to dance for money. But serving drinks in a black cocktail dress that's fine by me . Anyway I have not texted him anything sexual . Off rip this guy sends me a penis pic. Now he keeps asking no INSISTING I send him ass pictures ! I have ignored him since he sent the dick pics and he flipped out on me ! Now tell me is this abusive or no ? I think what he wrote n how he wrote it is very degrading . Should I tell him off or what ?! This is what he wrote 
1) So ur goin  work at strip club half naked
2) seen me butt naked and lived it
3) but i cant have ass pic in panties !!!
4) are u SERIOUS SHORTY LOL ? 
Now I was just gonna ignore him but he is blowing me up ! I am gonna block him but before I do should I write him telling him he is wrong or what ?