
If there are clear laws in your country against this then report all the numbers to the police.
If not, have male relative or friend ( SB who would be available whenever) to answer instead of you and claim that this is their new number, a couple of times should be enough for them to give up usually...
If that's not an option as well and you can function without the phone, answer then mute the call and leave the phone their phone credit will end at some point and they'd probably be fed up with silence, putting the phone next to a video of annoying sounds like scraping glass or something could be an alternative as well, do not talk or have the call unmuted where whoever on the phone can hear you or anyone related to you...
If you suspect it is stalking change your number, tell people around you and report it if possible...
Some people They keeping calling talking about sexual things I already blocked them and they getting other new numbers and calling on it am not sure where or how they getting so much new numbers to call with what y'all think I should do