how to add process by name in bash

stop.sh

#!/bin/bash
ps -efww|grep -w './start.sh'|grep -v grep|cut -c 9-15|xargs kill -9
ps -efww|grep -w 'manage.py Mqtt_msg_process'|grep -v grep|cut -c 9-15|xargs kill -9
ps -efww|grep -w 'manage.py Rds_msg_process'|grep -v grep|cut -c 9-15|xargs kill -9
ps -efww|grep -w 'manage.py Event_notice_process'|grep -v grep|cut -c 9-15|xargs kill -9
ps -efww|grep -w 'manage.py Offline'|grep -v grep|cut -c 9-15|xargs kill -9
ps -efww|grep -w 'manage.py dahua'|grep -v grep|cut -c 9-15|xargs kill -9