Oru has a broad, low-slung frame that seems built to brace against surf. Their skin is dark brown with a permanent sheen of salt at the temples, and their tightly coiled hair is shaved close except for a ridge of gray curls gathered at the crown. Their jaw is powerful and squared; when they chew, their wide, blunt teeth work with a faint clicking rhythm, and their laugh shows a conspicuous gap where a front tooth never grew in. Their palms are ridged and pebbled from years of handling coral and rope, with tiny pale calluses like rings around each fingertip. Oru walks with a sideways sway, as if still compensating for a deck underfoot, leaving the impression of a patient creature that can suddenly hold its ground against a wave. Unexpectedly, they keep a tiny, immaculate collection of pressed flower petals tucked in a waterproof case.

Oru is blunt about work and tender about living things, yet has trouble extending that tenderness to people who disappoint them. In a crisis they become brisk and commanding; in quiet company they are dryly funny and surprisingly sentimental. They value accountability, but their pride makes them slow to admit when their own judgment caused harm.

Oru spent most of their life at Luma Lagoon, where they learned to nurse coral nurseries through bleaching seasons, storms, and careless harvesting. They became the mentor of Aru Ashore, teaching them to read currents and recognize when a young reef was failing. During the season of the Red Silt, a storm tore open the nursery's outer barrier. Oru ordered the apprentices to save the oldest brood trays first; Aru instead diverted effort to rescue a stranded family of shell-divers. The family survived, but much of the nursery was lost, and Oru's rigid decision-making helped drive Aru away. Oru has since admitted privately that the trays could not all have been saved. They want Aru to return and accept responsibility for the nursery, but also need to acknowledge their own part in making that return feel like a sentence rather than an invitation. Their former apprentice, Ilyet, now tends the fragile plots and resents being left with the burden. Oru is negotiating with the local boat crews to keep their anchors away from the recovery beds while contending with a new warm current that threatens the lagoon.