Neighbor harassing

My neighbor is harrasing me and my dad almost a month ago Verbally abusing lady, she steals water during we fill our tank we caught her many times, confronted her also but she replied saying install a camera for yourself the We live on 1st floor and they live on round floor my brothers bicycle is kept exactly under our staircase and they always slowly dump waste of my brothere bicycle we recorded it also throw dirty water where my brothers cycle is kept . We till said nothing A month a ago the lady's husband said don't wash your hands because we smell fish there. We actually started a fish business opposite the road, my dad said how can u blame that we did it ?(without second thought or investigating theirselves) my dad has 3 degree high blood pressure taking medicines Next at evening she furious verbally abuse my dad and about not keep bicycle their on ground (while it's under our stairs and depth inside where at night it's all dark she leaves for work around 10 am and comes back around 7:30 pm she gives excuses where will my kid play while our bicycle is far from there house and they big space but still they want to capture it they in directly want to say we dont like u keeping but that's our place)She then aggressively tried to break my brothers bicycle which thankful had chain locks when I tried to talk to her said go learn some respect (I have voice record confessing of damaging the bicycle) I have to give my HSC boards, I said I have study peacefully pls go inside and don't shout whatever happened I recorded she was cursing bad words Two ago, my brother had sports day in school his teacher called me and said my brother (9th) has sweating and bp problem he might get sick because of sun and dehydration so she asked if he can go back come alone we yes I has his bicycle he will come After my brother reached home around 9 am he was locking the bicycle (after hearing chains sound) the lady from the house started blaming calling my dad ( budhha bad mannerly and me as (randi /whore) I really felt really bad when my brother informed me about this incident today My dad once or twice in month cleans the area around the bicycle which always clean untill we started parking our bicycle