Oh man. This gets complicated. The Rwandan Army started life as the military wing of President Kagame's Front Patriotique Rwandais political party. During the mass murder of the Tutsi people - 600,000 dead in 100 days, Kagame's peeps focused on taking power and declined to engage the génocidaires.
I don't know how they stack up against jihadis
Here's the Financial Times' Joseph Cotterill, David Keohane, and Andres Schipani bringing us up to speed on the current situation:
Regional armies step in to help Maputo counter Islamist uprising
Rwandan soldiers have joined the fight against Islamist insurgents in Mozambique’s far north, as Maputo turns to regional armies for help in a conflict that has imperilled its development of multibillion dollar gas reserves.
In late July a thousand-strong brigade of police and soldiers dispatched by Rwanda’s president Paul Kagame entered combat in the province of Cabo Delgado, where local forces have failed to stem a conflict that has killed more than 3,000 people and displaced about 800,000 since 2017.Mozambique’s president Filipe Nyusi has been under pressure to accept regional military aid since March, when the insurgents killed dozens in the coastal town of Palma and forced France’s Total to shutter a nearby LNG project....
....MUCH MORE