marbi -mra- gismu

x1 is a shelter/haven/refuge/retreat/harbor for/protecting x2 from danger/threat x3.

See also bandu, ckape, snura, drudi, sepli, bitmu, gacri.

In notes:

bandu
x1 (event) defends/protects x2 (object/state) from threat/peril/potential x3 (event).
bitmu
x1 is a wall/fence separating x2 and x3 (unordered) of/in structure x4.
ckape
x1 is perilous/dangerous/potentially harmful to x2 under conditions x3.
drudi
x1 is a roof/top/ceiling/lid of x2.
gacri
x1 is a cover/[lid/top] for covering/concealing/sheltering x2.
sepli
x1 is apart/separate from x2, separated by partition/wall/gap/interval/separating medium x3.
snura
x1 is secure/safe from threat x2 (event).