Matiang'i accuses govt-aligned leaders of fuelling ethnic divisions and warned that armed groups threaten peace as political activity builds ahead of the 2027 General Election.
Police officers and civil society groups have launched a digital security platform to track early indicators of conflict and prevent violence before it escalates.
Women leaders have called for action on gender rule, online violence, campaign financing and democratic participation.
Venezuela's ousted president Nicolas Maduro and his wife will go on trial in the United States in June 2027.
The clergy has warned that the 2027 General Election may not be free and fair if the goon culture is not dealt with as soon as possible.
Gachagua says the Ol Kalou by-election has provided opposition supporters with a blueprint on safeguarding the electoral process.